Litter will be left uncollected on the streets in Derby City centre for a whole weekend in November to show people how much is dropped.
The city council's street cleaning team hope the experiment will make shoppers more aware about the rubbish they throw on the floor.
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Any mist, fog and low cloud will clear to leave a mostly dry day, with sunny spells. Some scattered showers developing.
A chilly start with some mist and fog, clearing to a dry, bright day with sunny spells for most.
A Sandwell teenager has been jailed for life for killing a man and injuring another following a row over a stolen television.